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phosphorescent coating /fˌɒsfəɹˈɛsənt ˈkəʊtɪŋ/ n

中文：磷光涂层

中文 · 磷光涂层Español · revestimiento de fósforoFrançais · couche fluorescente
Meaning：The tube’s internal coating; it is composed of phosphate particles that convert ultraviolet rays into visible light.
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Fluorescent tube

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